Midterm pollution monitoring with a backscattering lidar, sunphotometer, and air quality indexing stations

Details Midterm pollution monitoring with a backscattering lidar, sunphotometer, and air quality indexing stations Midterm pollution monitoring with a backscattering lidar, sunphotometer, and air quality indexing stations

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7111e..16l&link_type=abstract

Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing IV. Edited by Singh, Upendra N.; Pappalardo, Ge

Physics

Scientific paper

During the Dry Season (July-September) of 2007 aerosol profiling campaign was carried with an aerosol backscattering LIDAR system in Sao Paulo, Brazil. The main goal of this campaign was to observe the aerosol load in the lower troposphere (up to 10 km) and its daily behavior in order to check for air dispersion conditions, planetary boundary and mixed layer daily evolution, mid and long range transport. For the latter we used air mass trajectory analysis and satellite data. With the LIDAR analysis we can provide the aerosol optical properties in the visible range (532 nm) and quantities such as aerosol backscattering and extinction coefficients. Altogether we could measure during 60 days, since when there was the presence of precipitation no measurement was conducted. Collocated with the LIDAR was a AERONET Sunphotometer which help in characterizing the aerosol optical properties. Our data was correlated with the Environmental Air using Optical Sensors in the Remote Air Quality Assessment and cross-correlations were made with Aerosol Optical Thickness, Planetary Boundary Layer evolution and Air Quality Index.

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